In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.
https://usn.ubuntu.com/4293-1/
https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html
https://lists.debian.org/debian-lts-announce/2022/04/msg00020.html
https://github.com/libarchive/libarchive/issues/1276
https://github.com/libarchive/libarchive/commit/22b1db9d46654afc6f0c28f90af8cdc84a199f41